var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
const session = require("express-session");

const multer = require("multer");
const upload = multer({ dest: './public/uploads' })

var indexRouter = require('./routes/index');
var goodsRouter = require('./routes/goods');
var userRouter = require('./routes/user');
var bannerRouter = require('./routes/banner');
var orderRouter = require('./routes/order');
var loginRouter = require('./routes/login');
var apiGoods = require('./api/goods');
var apiUser = require('./api/user');

var app = express();

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(upload.any());

app.use(session({
  secret: '千锋H5，牛！',   // 加密信息，可以随便写
  resave: false,      // 强制保存session，默认为true，建议设置为false
  saveUninitialized: true,    // 强制将未初始化的session存储，默认为true，建议为true
  cookie: { maxAge: 1000 * 20 * 60 }    // 过期时间，毫秒数
}))


app.use('/api/goods', apiGoods);
app.use('/api/user', apiUser);

app.use('/login', loginRouter);

// 守卫：在所有的页面路由注册之前(除了登录路由)，进行守卫
app.all("*", (req,res,next)=>{
  // if(req.cookies.isLogin === "ok"){
  if(req.session.isLogin === "ok"){
    next();
  }else{
    res.redirect("/login");
  }
})

// 页面路由
app.use('/', indexRouter);
app.use('/goods', goodsRouter);
app.use('/user', userRouter);
app.use('/banner', bannerRouter);
app.use('/order', orderRouter);


// catch 404 and forward to error handler
app.use(function(req, res, next) {
  next(createError(404));
});

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});

module.exports = app;
